smokeloader | 4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 23:28

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General

Target

4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe
Size

323KB
MD5

8ec21dae006badd32959d4e22494e7ec
SHA1

179b584054a9ceee26a0aa35abf95ad1c64243c5
SHA256

4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540
SHA512

2076c021d053f0d0e28c8b6d84962385ddb78d81863c63a3411322f42edd4d5bf9f6db647426c3cf871ac4558e9a1e8e827e246b3cffc02a6cc5419259310567
SSDEEP

6144:0wO5a3LPuJ54z255IBH/Zn/mohXSVPPzPnoqAtNa7Nhqa8tv:0wOa3juL4zTF/Z/gnznjcaJhO

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	2724	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2092	2724	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe	30
PID 2724 wrote to memory of 2092	2724	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe	30
PID 2724 wrote to memory of 2092	2724	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe	30
PID 2724 wrote to memory of 2092	2724	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe	30

C:\Users\Admin\AppData\Local\Temp\4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe
"C:\Users\Admin\AppData\Local\Temp\4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 136
  2⤵
  - Program crash
  PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2724-0-0x00000000002A0000-0x00000000002CB000-memory.dmp

Filesize
172KB

Download
memory/2724-1-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/2724-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-4-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/2724-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2724-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-5-0x00000000002A0000-0x00000000002CB000-memory.dmp

Filesize
172KB

Download